Double gang and double bus

Any tips for creating double gangs and busses? I’d like to use double gang several inputs so I can get creative with compression. Double bussing my drum group would give me a chance to work with different FX treatments quickly. Thoughts?

iLive T112 and iDR32

My tip is don’t do it!
You will have comb filtering issues due to the different latencies of the various processing paths.
Darren